Last year it was reported that Major League Baseball fans would soon be able to take advantage of iOS 7′s iBeacon support inside professional baseball stadiums. The technology would be utilized in the MLB.com At The Ballpark app to customize the app’s interface to any given ballpark. The app could direct users to their seats or points of interest such as concessions stands. 

Citing sources with knowledge of the situation, MacRumors reports 20 parks will be rigged with about 100 iBeacons each when opening day rolls around on Mar. 31. Among the first teams to get the microlocation technology are Boston, LA Dodgers, Milwaukee, San Diego and San Francisco.  Using iBeacons built by Qualcomm, the rollout will be one of the largest to date, not including Apple’s own deployment in its over 250 U.S. retail stores.